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ES6 class variable alternatives
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2018 update:
There is now a stage 3 proposal - I am looking forward to make this answer obsolete in a few months.
In the meantime anyone using TypeScript or babel can use the syntax:
varName = value
Inside a class declaration/expression body and ...
How to upgrade Eclipse for Java EE Developers?
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Nice to know. But is the FAQ really up-to-date? Could user really upgrade 3.7 to 4.3 for example? What about all those plugins, that can break on newer platform?
– Paul Verest
Jun 28 '13 at 7:14
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Spring @Transactional - isolation, propagation
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rollback |
v v
value (x) is now dirty (incorrect)
So a sane default (if such can be claimed) could be Read Committed, which only lets you read values which have already been committed by other running transactions, in combination with a propagation le...
What is the point of interfaces in PHP?
...ady abstract classes?
To prevent multiple inheritance (can cause multiple known problems).
One of such problems:
The "diamond problem" (sometimes referred to as the "deadly diamond of
death") is an ambiguity that arises when two classes B and C inherit
from A and class D inherits from both ...
Does setting Java objects to null do anything anymore?
...ue. Basically, because you've preallocated an array, the VM sees that. It knows nothing about the "logical" size of your container. Say you have an ArrayList of size 10, backed by a 16-element array. The VM can't know that items 10..15 aren't actually used; if those slots have contents, they will no...
Why is it bad style to `rescue Exception => e` in Ruby?
...thing else".
Generally, don't do that, except in special cases where you know you don't need to worry. One example:
debugger rescue nil
The debugger function is a rather nice way to set a breakpoint in your code, but if running outside a debugger, and Rails, it raises an exception. Now theoret...
Understanding spring @Configuration class
...ion Understanding Spring @Autowired usage I wanted to create a complete knowledge base for the other option of spring wiring, the @Configuration class.
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How and where are Annotations used in Java?
... the element and clarify its meaning.
Prior to JDK5, information that is now expressed with annotations needed to be stored somewhere else, and XML files were frequently used. But it is more convenient to use annotations because they will belong to the Java code itself, and are hence much easier t...
call a static method inside a class?
...o the most common way of calling a static method:
self::staticMethod();
Now, before you start thinking that the :: is the static call operator, let me give you another example:
self::bar();
This will print baz = 1, which means that $this->bar() and self::bar() do exactly the same thing; tha...
Why java.io.File doesn't have a close() method?
...g like RandomAccessFileStream could be better, but it's many year too late now.
– maaartinus
Jan 20 '11 at 20:48
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